TY  - BOOK
AU  - Heady, Earl O
AU  - Dillon, John L. 
TI  - Agriculture production function
U1  - 338.11 H34 
PY  - 1961///
CY  - Loudhiana
PB  - : Kalyani Publications, 
KW  - Production economics
KW  - | Agricultural productions
ER  -